When Sakiko was young, her parents divorced, and the son and mother, who had been separated, reunited for the first time in twenty years. The son's memories of his mother's dignified beauty had made him love and admire her. When her son said he had been lonely, she told him, "I'm sorry. If you forgive me, I'll do anything." With these words, his love for his mother explodes as a twisted desire. The son passionately licks her breasts and genitals... Sakiko timidly begins to move her hips, and the two of them fall into forbidden pleasure...